Unfortunately with this series each pairing is basically rolling a dice, best case they get together pretty quickly, middle case they get stuck in a will they don't they and at the worst the character is basically deleted like Salaryman.
Regardless of your favorite pairing it feels unfair how unbalanced it is, the nice thing about multiple couples is to find the ones that you enjoy the most but it turns kinda pointless if the ones that get progress are just randomly decided. It's like seeing a romance manga with several ships setup, but the author decides to give a conclusion to half of them by the end of the story.
Nothing gets worse than the lesbian character anyway, and I'm saying that as someone who doesn't care about these types of characters even when the comment sections are in flames when they are introduced in any other manga, that's how useless and even detrimental her role in the story is.
And oh boy if people find Ai and Salaryman too much imagine if the